Forney 30850 E7018 Welding Rod, 1/8-Inch, 50-Pound All position welding, low hydrogen rod for general purpose AC applications requiring low penetration, can also be used on DC+ Designed for welding head enable steels and projects involving hard to weld steels including thick sections and restrained joints with cracking issues Not recommended for use with low open circuit-Voltage OCV power sources Excellent for tack welds and out of position welding Ideal for general fabrication of cold roll steels